1. Distributed Systems: principles and paradigms (2nd edition), A. S. Tanenbaum, M. van Steen, Prentice Hall, 2006.
  2. Distributed Systems: concepts and design (5th edition), Coulouris et al., Addison-Wesley, 2011.
  3. Web services: concepts, architectures and applications, G. Alonso et al., Springer Verlag, 2004.
  4. Web Services and SOA: principles and technology, M. Papazoglou, Pearson, 2012.
  5. Web Services – Building Blocks for Distributed Systems, G. Glass, Prentice Hall, December, 2001